Stop guessing who's emailing you.
SentBy shows you who they are, what they do, and why they matter - scraped from LinkedIn, GitHub, and public sources - right inside Gmail. Real enrichment. Not just links.






Real profile data. Not just links.
We scrape and surface actual profile data - job titles, company context, work history, social signals - right where you work. No tabs. No tools. No manual lookup.
LinkedIn Data (Scraped, Not Just Links)
Job titles, company context, work history, education, and bio - all scraped and surfaced inline. Not just a URL to click.






Company Context at a Glance
Company size, industry, funding stage, and decision-making level. Know if you're emailing a startup founder or enterprise executive.






All Emails and Phone Numbers
Known email addresses (often multiple) and phone numbers (mobile, direct, work) surfaced automatically. Quality signals and confidence scores included.






Instant context. Zero friction.
Context appears as you open emails. Background enrichment while you work. Set it and forget it.






AI-Powered Summaries
Who they are and why they might matter - summarized instantly. Recent public activity when available.






Phishing Detection
Unknown senders are where scams live. Automatic risk scanning with clear warnings before you click anything.






Google Contacts Sync
Bidirectional sync keeps enriched contacts updated across Google Contacts and all your devices.
Your email security guard.
Unknown senders are where scams live. SentBy automatically scans every new contact and shows you clear risk warnings - phishing detection, spam scoring, and risk analysis - before you click anything.
Spam score on every unknown sender.
Risk analysis: High, Medium, Low.
What our customers are saying
Professionals trust SentBy for email intelligence.
SentBy has completely changed how our sales team approaches cold outreach. Knowing who you're emailing gives us a huge advantage.

Sarah Chen
Head of Sales at TechFlow
I use SentBy for every candidate email. The LinkedIn integration saves me hours of research every week.

Marcus Johnson
Recruiter at Talent First
The company intelligence feature is incredible. I know the org size and funding before I even reply.

Emily Rodriguez
Business Development at ScaleUp
As a solo founder, SentBy helps me punch above my weight. Every email feels personalized because I actually know who I'm talking to.

David Kim
Founder at CloudSync
99% of my cold emails get responses now. The context SentBy provides makes all the difference.

Rachel Liu
Account Executive at DataFlow
My team's close rate went up 40% after we started using SentBy. It's not just a tool, it's a competitive advantage.

James Wright
Sales Manager at Growth Labs
Questions & Answers
Pricing to fit your needs.
Free
$0
Try real inbox intelligence at no cost
10 credits
All emails and phone numbers
LinkedIn data (scraped, not links)
Company intelligence
Phishing and spam detection
Team sharing
Gmail Chrome extension
Google Contacts sync
Unlimited email accounts
Starter
$19/mo
For individuals who email frequently
100 credits per month
Everything in Free
All emails and phone numbers
LinkedIn data (scraped, not links)
Company intelligence
Phishing and spam detection
Google Contacts sync
Auto-enrichment for new senders
Unlimited email accounts
Growth
$49/mo
For professionals managing multiple accounts
400 credits per month
Everything in Starter
All emails and phone numbers
LinkedIn data (scraped, not links)
Company intelligence
Phishing and spam detection
Unlimited email accounts
Priority support
Advanced analytics
Scale
$149/mo
For sales teams, recruiters, and enterprises
1,200 credits per month
Everything in Growth
All emails and phone numbers
LinkedIn data (scraped, not links)
Company intelligence
Phishing and spam detection
Unlimited email accounts
Dedicated account manager
Ready to stop guessing?
Join founders, sales teams, and recruiters who decide faster: reply, forward, ignore, or block.